Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7667153 | Double-pole change-over switch | Karl-Heinz Wohlfahrt | 2010-02-23 |
| 4974784 | Winding apparatus for paper, textiles or synthetic plastic webs | — | 1990-12-04 |
| 4611585 | Motor-driven cutter for the cutting open of plaster casts | — | 1986-09-16 |
| 4526427 | Apparatus for fastening instruments in a front panel or switchboard | Rudi Boll, Arno Tetzlaff | 1985-07-02 |